<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>层叠性</title>
    <style type="text/css">
        blockquote {
            background-color: orange;
            border: 5px solid black;
        }
        /*重新设置所有属性值*/
        .fix-this {
            /*all: unset;*/
            all: inherit;
        }
    </style>
</head>
<body>
<blockquote>
    <p>This blockquote is styled</p>
</blockquote>
<blockquote class="fix-this new-style">
    <p>This blockquote is not styled</p>
</blockquote>
</body>
</html>